CVE-2026-87441

Analyzed Analyzed - Analysis Complete

Missing Authorization in Google Chrome Downloads

Publication date: 2026-09-09

Last updated on: 2026-09-10

Assigner: Chrome

Description

Missing authorization in Downloads in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass system access restrictions via a crafted Chrome extension. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-09-09

Last Modified

2026-09-10

Generated

2026-09-29

AI Q&A

2026-09-09

EPSS Evaluated

2026-09-27

NVD

CVE-2026-87441

EUVD

EUVD-2026-74375

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 153.0.8010.36 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-862	The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

Executive Summary

This vulnerability involves a missing authorization check in the Downloads feature of Google Chrome before version 153.0.8010.36. A remote attacker could exploit this by using a specially crafted Chrome extension to bypass system access restrictions and potentially access or manipulate downloaded files without proper permissions.

Detection Guidance

This vulnerability involves missing authorization in Google Chrome's Downloads feature, allowing a remote attacker to bypass system access restrictions via a crafted extension. Detection requires checking Chrome versions and inspecting installed extensions for unauthorized access.

Impact Analysis

If you use an affected version of Chrome, an attacker could trick you into installing a malicious extension that exploits this flaw. This might allow them to steal sensitive files, modify downloads, or gain unauthorized access to your system through downloaded content.

Compliance Impact

The vulnerability allows unauthorized access via a crafted Chrome extension, which could lead to data exposure or unauthorized system access. This may violate compliance requirements under GDPR (data protection) or HIPAA (health data privacy) if sensitive data is compromised.

Mitigation Strategies

Update Google Chrome to version 153.0.8010.36 or later to address the missing authorization issue in Downloads.

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